Abstract
Cases of paralytic strabismus have presented a rather discouraging prospect from the point of view of relief by operation. The eye may sometimes be placed in a normal position by advancing the paralyzed muscle, combined with tenotomy of the opponent, but in my experience such results have usually been only temporary and the original squint has recurred. The methods of tendon transplantation advocated by Hummelsheim, O'Connor and others seem not to have been followed by many surgeons, to judge by the small number of reported cases. Three recent cases in which a modification of the Hummelsheim operation was performed have shown such good results that it seemed worth reporting them. REPORT OF CASES Case 1.—T., a man, aged 31, received an injury to the skull in falling from a horse seven years before, resulting in paralysis of the right externalrectus. The right eye turned in 40 degrees and could

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